- Shadow-type construction features a low-profile body with direct cable routing and a strong spring to avoid chainstay slap and obstacle contact
- Wide link parallelogram design increases rigidity for excellent, responsive shifting performance
- Constructed out of sturdy steel and aluminum for resilience on the trail
- Coated link pivot bushings minimize friction for fast, responsive movement
- Shimano SLX RD-M663 SGS 10-Speed rear derailleur handles a minimum cassette cog size of 11T and maximum cassette cog size of 36T